Datasheet

SS
SSSR
OUTA, OUTB
Soft-Start
OUTSR
Soft-Start
OUTSR
Soft-Stop
5V
5V
1V
~3V
2.5V
4.5V
UVLO
2V
2.5V
4.5V
0.4V < UVLO < 2VUVLO > 2V
UVLO < 2V
OUTB
SR
PWM
increasing OUTA
SS pulse width
increasing SR SS pulse width
increasing PWM
SS pulse width
OUTA
www.ti.com OUTSR Drive
Figure 6. LM5027 Drive Timing
Figure 7. LM5027 Soft-Start Waveforms
7
SNVA400B–August 2009–Revised May 2013 AN-1976 LM5027 Evaluation Board
Submit Documentation Feedback
Copyright © 2009–2013, Texas Instruments Incorporated